The Transformer,power, cataloged under National Stock Number 5950-01-446-0321, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-446-0321 |
| Primary Part Number | 81581-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81581-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 81581-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
| 222A-K020 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-446-0321 is a Transformer,power, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-446-0321 has 1 manufacturer part number on file: 81581-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 81581-1: Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Terminal Type and Quantity: 6 TAB, SOLDER LUG. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.